While the pursuit to develop flying cars and Star Warsian land-speeders rages on, the dilemma around developing a functioning underwater vehicle was solved decades ago … by the British Secret Service's Q Branch. In the film The Spy Who Loved Me, James Bond escapes from the obligatory horde of bad guys by driving one very versatile white Lotus Esprit into the ocean. That fully submersible vehicle, is now set to go to auction this September.